Castelion

Castelion Raises $1B to Scale Low-Cost Hypersonic Production

Castelion started with an unusually ambitious premise: advanced defense hardware should move from design to production with the speed associated with modern technology companies. Less than four years later, the California company has pushed Blackbeard from a clean-sheet concept toward military production, built its own manufacturing infrastructure, and secured more than $500 million in U.S. […]